package org.example;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Hello world!");
        for (int i = 0; i < 5; i++) {
            String line = scanner.nextLine();
            System.out.println("说:"+line);
        }
    }
}